Light Sensor Automatic On/Off: Equipped with a dusk to dawn photocell sensor, the night lights automatically turn on at dusk and off at dawn, providing illumination only when needed. Widely Used Nightlight: 3000K night light emits a gentle warm white light that is comforting and non-intrusive, perfect for creating a cozy atmosphere in bedrooms, stairways, hallways, nurseries, and bathrooms.